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C. GOLAHAN 8u F. P. ROSBACK.A

GRAIN BINDER.

Patented Mar. 8, 1887.

UNITED STATES PATENT OFFICE.

CHARLES COLAI-IAN, OF CLEVELAND, OHIO, AND FREDRICK PETER ROS- BACII, OFCHICAGO, ILLINOIS; SAID FREDRICK PETER ROSBACK AS- SIGNOR TO SAIDCHARLES COLAHAN.

GRAIN-BINDER.

SPECIFICATION forming part of Letters Patent No. 358,921, dated March 8,1887.

Application filed November 16, 1&5; Serial No. 183,032. (No model.)

To all whom it may concern:

Beit known that we, GHAELEs COLAHAN, of Cleveland, county of Cuyahoga,and State of Chio, and FEEDRICK PETER RosEAcK,

5 of Chicago, Illinois, have invented certain new and usefulImprovements in Grain-Binders, of which the following is aspeciiication.

Our invention relates to that class of automaticgrain-bindersin whichthe binding mech- Ic anisni is started by the pressure of apredetermined quantity of grain against a compressing and tripping arm,and of the modern form of construction, the object of our inventionbeing to dispense with many of the partsherex 5 tofore adopted in theuse of the compressing arm or lingers; and our invention consists insecuring the compressor rock-shaft and its link-connection,and releasingthe same by unlocking it, as hereinafterI described.

In our invention the supporting-bar on which the compressing-lingers aremounted is caused to reciprocate in its movements and to travel back andforth in its action of compressing and releasing the bundle by means ofits connection with the heel extension of the binder-arm,and itis lockedin position during the formation of the bundle, and during thecompressing of the same, by means of' a pawl that will admit of theforward movement of 3o the compressor as the binder-arm closes, duringwhich action the tripping-pawl will be caused to yieldand not trip thelocking-pawl, and on the opening and reverse movement the heel of thebinder-arm engages the tripping- 3 5 pawl, which in this action will bebrought rigidly in contact with the locking-pawl, and force the samefrom its locked connection with the compressor-arm support, and thusrelease the compressor and permit the discharge of 4o the bundle. Thebinder-arm as it rocks beneath the table will engage the heel of' thesupporting-bar that carries the compressor, to raise it on its pivotedconnection with the binder-arm,and cause it to assumeits uprightposition, and be locked or sustained in this position by means of asimple pawl, as aforesaid. The compressor is sustained by a rockshaftwhile compressing the bundle,similar to the [support used for thispurpose shown in .by the heel of the binder-arm,while the sup- PatentNo. 212,420, differing therefrom in the point of dispensing withapplication of power by means of a pitman to the supporting-crank, asshown in said patent; and this invention consists in operating thecompressing-fingers porting-bar and shaft is locked in place by the pawland ratchet, and is free to rock on its supportinglink connection incompressing the bundle, and said supporting-bar is released by unlockingthe pawl at the proper moment to admit the discharge of the boundbundle.

In the drawings, Figure 1 representsa front end elevation of a bindingattachment embodying our invention as it appears in readiness to receivethe grain as it is packed therein in the usual manner. Fig. 2 is asectional view with the binder-arm and compressing-lingers in theposition of compressing the bundle while it is being bound. Fig. 3 showsthe position ofthe parts as the bundle is being discharged. Fig. 4represents a sectional view of the lockingpawl and its tripping-linger,which is pivoted thereon. Said pawl in this View is forced fromconnection with the arm G at the time said "15 arm G will assumetheposition shown in Fig. 3. Fig. 5 is a sectional view of thelockingpawl and the arm G when it is locked in position, as shown inFigs. 1 and 2.

In operation it will thus be clearly observed by those experienced inthe art that, as illustrated in Fig. l,the inliowing grain will bereceived against the compressing-fingers C in the usual manner, and onthe moving up of the binder and compressing arms, when the same shall becaused to start by the operation of the tripping device ofthe binder,the supporting-bar D will be caused by the downward' movement of theheel of the binder-arm to roclc in and forward on its vibrating support-9o ing-link E, and force the compressing-ngers up against the bundle, asdesired, to condense the same in a compact form. The heel A of thebinder-arm A, as it passes by the supplemental tripping-tinger I,willcause said finger to rock on its pivot d out of the way, and-not disturbthe locking-pawl H. On the completion of the bundle and the reversemovement of the arms A D C to permit discharge of the bound sheaf, it isimportant to drop the outer compressing-arm quickly, and as the arm A iscarried back by its shaft the heel projection Al will come in contactwith the tripping-iinger I and force it against the stop c on the pawlH, and cause the pawl H to rock ou its pivot d and force it from contactwith the notched quadrant G on arm F, which will cause said arm F, byrocking on its pivotf, to drop, carrying with it the link E and thesupportingbar D and its fingers C, and thus the bound bundle ispermitted to be discharged without meeting any vobstruction or delay,and when the binder-arm will be forced down to its normal position itsconnection with the supporting-bar and its link-connection will causethe compressing-arm-supporting bar D and its fingers C to rise to theirplace and carry the link Eand its crank F and its ratchet-arm G toaproper position, and the pawl H will lock and retain the same untilanother bundle is formed.

Having thus fully described oui` invention and its operatiomwhat weclaim,and desire to secure by Letters Patent, is

l. In a grain-binder, a compressing-arm that is pivoted to and actuatedby the heel of the binder-arm, and caused to assume its normal positionin the grain-receptacle by the opening of the binder-arm, in combinationwith an independent locking device, consisting of a double pawl thatadmits the closing of the binder-arm and secures said compressor againstthe action of the packers or binderarm during the format-ion of thebundle, and is tripped during the opening or backward movement of thebinder-arm to release the bundle, substantially as shown and described.

2. The combination of the arm A, the supporting-bar D, and its trippingand compressing fingers C, with the crank-arm F, its connecting-link E,notched arm G, and sustainingpawl H, operating substantially as shownand described. Y

3. The combination of the arm A, its projection A/, the supporting-barD, the link E, the rocking crank-F and its locking device G H, and thetrippingpawl I, whereby said pawl is caused to unlock the same,substantially as and for the purpose described.

4. The combination of the binder-arm A, its heel-extension A, thesupporting-bar D, link E, crank F, notched arm G, pawl H, andsupplemental 1in ger I, whereby the supportingbar is raised and held inposition during the formation of thebundle and tripped to admit itsdischarge, substantially as shown and described.

5. The combination ofthe cord-carrying and compressing arms, the rockingcrank F, its

notched arm G, 'the pawl H, and the supple-V mental inger I, operatingsubstantially as shown and described.

6. The combination of the binder-arm A, its heel-extension A', thesupplemental finger I, its stop C on pawl H, notched arm G, andcrank-arm F, operating substantially as sh own and described.

CHARLES COLAHAN. FREDRICK PETER ROSBACK. Witnesses:

Jos. W. BROWN, S. B. BELDING.

